Initial Checkin

CombinatoricsNodes wraps combinatorics implementations of Adrian Akison, taken from his CodeProject article

http://www.codeproject.com/Articles/26050/Permutations-Combinations-and-Variations-using-C-G

Contains:
Combinations (Color Combinatorics)
Combinations (Spreads Combinatorics)
Combinations (String Combinatorics)

Permutations (Spreads Combinatorics)
Permutations (String Combinatorics)

Variations (Color Combinatorics)
Variations (Spreads Combinatorics)
Variations (String Combinatorics)
- help now starts with capital letter
- removed Version = "Cobinatorics"
- renamed / updated helppatches accordingly
- removed unnecessary tags
- added Combinations (Enumerations)/(Raw)/(Transform) and their helppatches
- added Variations (Enumerations)/(Raw)/(Transform) and their helppatches
moved license file from dependencies into combinatorics root directory
typo
Merge pull request #151 from bj-rn/develop

Combinatorics Nodes